FFEmpty class
类型判空
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
listIsEmpty(
dynamic list) → bool - @description: 判断list是否为空 @param {} @return {}
-
mapIsEmpty(
dynamic map) → bool - @description: 判断map是否为空 @param {} @return {}
-
stringIsEmpty(
dynamic str) → bool - @description: 判断字符串是否为空 @param {} @return {}